/* HBP Base CSS */
body { 
    font-family: "Noto Sans JP", sans-serif; 
    margin: 0; 
    padding: 0; 
    line-height: 1.6;
}

.container { 
    max-width: 1200px; 
    margin: 0 auto; 
    padding: 0 20px; 
}

section { 
    padding: 100px 0; 
}

.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    display: flex;
    align-items: center;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 30px;
    font-weight: 700;
}

.hero p {
    font-size: 1.2rem;
    line-height: 1.8;
}

/* Information Grid */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.info-item {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.info-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.info-image {
    height: 200px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.info-content {
    padding: 25px;
}

.info-content h3 {
    margin: 0 0 15px 0;
    color: #2c3e50;
    font-size: 1.3rem;
    line-height: 1.4;
}

.info-content p {
    margin: 0 0 20px 0;
    color: #666;
    line-height: 1.6;
}

.info-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: #999;
    border-top: 1px solid #eee;
    padding-top: 15px;
}

.info-meta span {
    padding: 4px 8px;
    background: #f8f9fa;
    border-radius: 4px;
}

/* Case Grid */
.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.case-item {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.case-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.case-image {
    height: 200px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.case-content {
    padding: 25px;
}

.case-content h3 {
    margin: 0 0 15px 0;
    color: #2c3e50;
    font-size: 1.3rem;
    line-height: 1.4;
}

.case-content p {
    margin: 0 0 20px 0;
    color: #666;
    line-height: 1.6;
}

.case-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: #999;
    border-top: 1px solid #eee;
    padding-top: 15px;
}

.case-meta span {
    padding: 4px 8px;
    background: #f8f9fa;
    border-radius: 4px;
}